Are there any benefits to suppressing a yawn in social situations? Does the intensity of a yawn correlate with its cause?

Jan 1, 1999 ... Since all mammals yawn, as do reptiles and birds, the reason must be pan-species. The reflexes are disinhibited in the decerebrate adult. These ... Yawning relieves the ear discomfort and hearing problems that are commonly experienced by people during rapid altitude changes in airplanes and elevators. This ... Sep 28, 2011 ... People yawn for two main reasons: They do it ... Seeing, hearing, reading, or thinking about yawning can cause you to do the same. During a yawn, muscles around the airway are fully stretched, including chewing and swallowing muscles. ... Due to these strong repositioning muscle movements, ... Excessive yawning refers to frequent and repetitive yawning that occurs beyond what's expected from typical fatigue or boredom. Excessive yawning is typically due to tiredness, sleep deprivation, or certain medications used to treat depression and anxiety, such as SSRIs. Sometimes ... Apr 14, 2014 ... We usually think of yawning as a signal of sleepiness or boredom—one of the reasons Sasha Obama's yawn seemed so inappropriate. Indeed, fatigue ... This blockage causes ear pain and sometimes trouble hearing. ... When you're in an airplane, you can chew gum, yawn, or drink liquids during takeoff and landing. Mar 27, 2017 ... Yawning isn't a sign of boredom. Yawning helps your body cool down or signal issues. Talk to your Swedish physician if your yawning causes concern. Contagious yawning was used as a proxy for yawning in both these experiments for two reasons. Contagious yawning is indistinguishable from spontaneous yawning.